Fringe pattern of the field diffracted by axicons
JOSA A, Vol. 21, Issue 5, pp. 770-776 (2004)
http://dx.doi.org/10.1364/JOSAA.21.000770
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Abstract
The far-field intensity pattern of laser beams diffracted by axicons is extensively characterized both theoretically and experimentally. The regular structure of the pattern, consisting of high-contrast fringes, is explained. The experimental results have been interpreted by representing the diffracted field as generated by an extended virtual source shaped as a circle centered on the optical axis of the incident laser beam. The simulations include modifications to the diffraction pattern arising from the laser radiation diffraction limit at the axicon tip, and they reproduce well the measured intensity profile at different distances from the axicon.
© 2004 Optical Society of America
OCIS Codes
(050.1940) Diffraction and gratings : Diffraction
(050.1970) Diffraction and gratings : Diffractive optics
(080.2720) Geometric optics : Mathematical methods (general)
(140.3300) Lasers and laser optics : Laser beam shaping
Citation
A. E. Martirosyan, C. Altucci, C. de Lisio, A. Porzio, S. Solimeno, and V. Tosa, "Fringe pattern of the field diffracted by axicons," J. Opt. Soc. Am. A 21, 770-776 (2004)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-21-5-770
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